ClassID:

135738

E21B49/087 - CPC Classification

Classification description:

Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells; Obtaining fluid samples or testing fluids, in boreholes or wells Well testing, e.g. testing for reservoir productivity or formation parameters

Sub-classes:
Recent Application in this class:
#1
20260146532
2026-05-28

METHOD OF ENHANCED SEISMIC-GUIDED PROPERTY PREDICTION

#2
20260103648
2026-04-16

MOBILE OFFSHORE PRODUCTION AND PROCESSING UNIT UTILIZING PRODUCED NATURAL GAS GENERATING POWER, HYDROGEN, CARBON, AND/OR HYDROCARBON LIQUIDS

#3
20260071541
2026-03-12

PRESSURE COMPENSATED LOCKING SAMPLING TOOL

#4
20260055700
2026-02-26

METHOD AND APPARATUS FOR STRESS TESTING OF GEOLOGICAL FORMATIONS WITH A HIGH PERMEABILITY

#5
20260036023
2026-02-05

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#6
20260028908
2026-01-29

MODULAR DOWNHOLE TESTING TOOL

#7
20260002441
2026-01-01

OPTIMIZED METHOD OF SAMPLING THE ZONES

#8
20250341149
2025-11-06

Detecting Mineralization And Monitoring Greenhouse Gas Plume Location In Subterranean Formations

#9
20250257655
2025-08-14

FORMATION TESTING TOOL AND METHODS FOR PERFORMING A HYBRID POWER FORMATION PRESSURE TEST

#10
20250243732
2025-07-31

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#11
20250237142
2025-07-24

SYSTEM AND METHOD FOR AUTOMATIC, FULL-FIELD AND MULTI-WELL PERMEABILITY-THICKNESS CONDITIONING OF GEOLOGICAL MODELS

#12
20250237134
2025-07-24

Performing Seismic Inversion by a Three-Dimensional Residual Fit

#13
20250230732
2025-07-17

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#14
20250223903
2025-07-10

CORRELATED WAVE-PARTICLE APPLICATION FOR DOWNHOLE MEASUREMENTS

#15
20250188834
2025-06-12

SYSTEMS AND METHODS FOR DETERMINING DEFORMATION OF A TOOL STRING

#16
20250171680
2025-05-29

SYSTEM AND METHOD FOR OPTIMIZED PRODUCTION OF HYDROCARBONS FROM SHALE OIL RESERVOIRS VIA CYCLIC INJECTION

#17
20250146409
2025-05-08

Correlated Wave-Particle Application For Downhole Measurements

#18
20250138526
2025-05-01

PREDICTIVE BLOCK MAINTENANCE

#19
20250122789
2025-04-17

Stimulating Hydrocarbon Production in a Subsurface Reservoir

#20
20250116648
2025-04-10

MUD LOGGING OF NATURAL HYDROGEN

#21
20250109678
2025-04-03

DISCRETE PERFORATING DEVICE

#22
20250101865
2025-03-27

METHODS AND SYSTEMS FOR DETERMINING WELL SHUT-IN PRESSURES OF OIL AND GAS WELL DRILLING

#23
20250075620
2025-03-06

RESERVOIR QUALITY PREDICTION AND PROCESSES FOR USING SAME

#24
20250050395
2025-02-13

DEVICES AND TECHNIQUES RELATING TO LANDFILL GAS EXTRACTION

#25
20250027411
2025-01-23

SYSTEMS AND METHODS FOR PERFORMING DOWNHOLE FORMATION TESTING OPERATIONS

#26
20240418084
2024-12-19

METHOD AND SYSTEM FOR AUTOMATED MULTI-ZONE DOWNHOLE CLOSED LOOP RESERVOIR TESTING

#27
20240418083
2024-12-19

AUTOMATED ANALYSIS OF PRESSURE DATA

#28
20240418062
2024-12-19

SYSTEMS AND METHODS FOR PRODUCING HYDROCARBONS DOWNHOLE AND PERFORMING DEEP TRANSIENT TESTING USING COILED TUBING

#29
20240401477
2024-12-05

In-situ stress measurement device and method for ultra-deep non-vertical drilling

#30
20240401422
2024-12-05

COMBINATION OF A SURFACE WELL TESTING FACILITY AND A CABLE FORMATION TESTER WITH AN ACTIVE CIRCULATION SYSTEM FOR OBTAINING INFLOW AND MEASURING FORMATION FLUID PARAMETERS ON THE SURFACE

#31
20240369733
2024-11-07

ESTIMATION OF PHYSICAL PARAMETERS FROM MEASUREMENTS USING SYMBOLIC REGRESSION

#32
20240368986
2024-11-07

METHOD TO IMAGE SMALL-SCALE VARIABILITY OF SUBSURFACE RESERVOIRS

#33
20240360758
2024-10-31

FIELD OPERATIONS FRAMEWORK

#34
20240352855
2024-10-24

Pulsed Neutron Determination of Borehole Fluid Hold-Up

#35
20240328921
2024-10-03

METHOD FOR DETERMINING EFFECTIVE STORAGE CAPACITY OF GAS STORAGE RECONSTRUCTED FROM WATER-FLOODED VOLATILE OIL RESERVOIR

#36
20240328313
2024-10-03

RESISTIVITY LOG CONDITIONING AND FLOW TYPE PREDICTION IN GAS BEARING CARBONATE RESERVOIRS

#37
20240328312
2024-10-03

HYBRID-PERMEABILITY LOG

#38
20240328307
2024-10-03

Sealing detection during formation pressure testing

#39
20240328289
2024-10-03

Gas-lift control

#40
20240328284
2024-10-03

System and process for geological sequestration of carbon-containing materials

#41
20240302564
2024-09-12

A METHOD AND SYSTEM FOR MODELING CARBONATE CEMENTATION IN FORWARD DEPOSITIONAL MODELS

#42
20240301791
2024-09-12

INTER-WELL PETROPHYSICAL ASSESSMENT BY NANO-PARTICLE INJECTION IN THE FORMATION

#43
20240289899
2024-08-29

Method for shale gas production prediction, device, and storage medium

#44
20240287901
2024-08-29

WELL METERING USING DYNAMIC CHOKE FLOW CORRELATION

#45
20240280723
2024-08-22

GEOLOGICAL HYDROGEN PRODUCTIVITY EVALUATION SYSTEM

#46
20240263555
2024-08-08

Inference Models for Well Production with Limited Training Data

#47
20240247570
2024-07-25

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#48
20240201001
2024-06-20

INTEGRATED MACHINE LEARNING PLATFORM TO CAPTURE MULTIPHASE VIRTUAL FLOW RATES AND DIAGNOSTIC MEASURES

#49
20240175354
2024-05-30

WELL TESTING METHOD USING TUBING HANGER DEPLOYED APPARATUS

#50
20240175353
2024-05-30

Borehole acquisition operation interval via Stoneley wave

#51
20240167379
2024-05-23

MANAGING PIPELINE CORROSION IN OIL AND GAS PRODUCTION

#52
20240159931
2024-05-16

DEVICES, SYSTEMS, AND METHODS FOR GEOLOGICAL SURFACE AND PROPERTY PREDICTION

#53
20240151866
2024-05-09

DEVICES, SYSTEMS, AND METHODS FOR GEOLOGICAL SURFACE AND PROPERTY PREDICTION

#54
20240141781
2024-05-02

FAST SCREENING OF HYDRAULIC FRACTURE AND RESERVOIR MODELS CONDITIONED TO PRODUCTION DATA

#55
20240117242
2024-04-11

System and method for optimized production of hydrocarbons from shale oil reservoirs via cyclic injection

#56
20240093604
2024-03-21

Method for determining productivity of coalbed methane well without shutting down the well

#57
20240086600
2024-03-14

Petro-Technical Global Fluid Identity Repository

#58
20240084698
2024-03-14

METHODS AND DEVICES FOR DYNAMIC PORE NETWORK MODELING OF TWO-PHASE FLOW IN WATER-WET POROUS MEDIA

#59
20240061417
2024-02-22

Predictive block maintenance

#60
20240060415
2024-02-22

Performing a downhole pressure test

#61
20240060405
2024-02-22

METHOD AND SYSTEM FOR GENERATING PREDICTIVE LOGIC AND QUERY REASONING IN KNOWLEDGE GRAPHS FOR PETROLEUM SYSTEMS

#62
20240037300
2024-02-01

MODELLING A CONDENSATE BLOCKAGE EFFECT IN A SIMULATION MODEL

#63
20240035366
2024-02-01

USE OF SELF-ORGANIZING-MAPS WITH LOGGING-WHILE-DRILLING DATA TO DELINEATE RESERVOIRS IN 2D AND 3D WELL PLACEMENT MODELS

#64
20240018868
2024-01-18

Method and system for automated multi-zone downhole closed loop reservoir testing

#65
20240017311
2024-01-18

Devices and techniques relating to landfill gas extraction

#66
20240011354
2024-01-11

Device for grinding side surface of inner wall of rock borehole

#67
20230399932
2023-12-14

Workflow to evaluate the time-dependent proppant embedment induced by fracturing fluid penetration

#68
20230374900
2023-11-23

Characterization and Geomodeling of Three-Dimensional Vugular Pore System in Carbonate Reservoir

#69
20230366297
2023-11-16

SYSTEM AND PROCESS FOR ENHANCED OIL RECOVERY AND WELL ABANDONMENT

#70
20230349289
2023-11-02

Method and System for Pore-Scale Modeling of a Multi-Phase Hydrocarbon Extraction Process

#71
20230340875
2023-10-26

WELL TESTING SYSTEMS AND METHODS WITH MOBILE MONITORING

#72
20230333278
2023-10-19

Identifying Naturally Fractured Sweet Spots Using a Fracture Density Index (FDI)

#73
20230323772
2023-10-12

GENERATING A RESERVOIR PERFORMANCE FORECAST

#74
20230323771
2023-10-12

Method and system for monitoring an annulus pressure of a well

#75
20230313674
2023-10-05

Pressure measurement mitigation

#76
20230266493
2023-08-24

Seismic denoising by weighted multiplanar reconstruction

#77
20230258081
2023-08-17

DEVICES AND METHODS FOR OIL FIELD SPECIALTY CHEMICAL DEVELOPMENT AND TESTING

#78
20230258080
2023-08-17

RESERVOIR FLUID PROPERTY ESTIMATION USING MUD-GAS DATA

#79
20230258075
2023-08-17

Hydrocarbon evaluation systems

#80
20230228188
2023-07-20

System for automated real-time water injection well testing

#81
20230228186
2023-07-20

Well integrity management for natural flow oil wells

#82
20230221456
2023-07-13

Interpretation of dielectric tool measurements using general mixing laws

#83
20230221267
2023-07-13

Petro-steering methodologies during under balanced coiled tubing (UBTC) drilling operations

#84
20230220768
2023-07-13

Iterative clustering for geosteering inversion

#85
20230193754
2023-06-22

MACHINE LEARNING ASSISTED PARAMETER MATCHING AND PRODUCTION FORECASTING FOR NEW WELLS

#86
20230160283
2023-05-25

SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS

#87
20230151732
2023-05-18

FLOWBACK MONITORING SYSTEM AND METHODS

#88
20230147327
2023-05-11

Optimizing steam and solvent injection timing in oil production

#89
20230146355
2023-05-11

CONSTRUCTING DERIVATIVE PROFILES FROM DISCRETE PRESSURE DATA OF TRANSIENT WELL TESTS

#90
20230111179
2023-04-13

PREDICTING OIL AND GAS RESERVOIR PRODUCTION

#91
20230058311
2023-02-23

Systems and methods for monitoring fracturing operations using monitor well flow

#92
20230040293
2023-02-09

Determining fluid distribution and hydraulic fracture orientation in a geological formation

#93
20230038120
2023-02-09

Method to test exploration well's hydrocarbon potential while drilling

#94
20230019875
2023-01-19

Electrical submersible pump gas relief valve

#95
20220381135
2022-12-01

Multi-layer gas reservoir field development system and method

#96
20220381127
2022-12-01

SIDETRACK WELL PARAMETER IDENTIFICATION BASED ON SIMULATIONS RELATED TO AN EXISTING PHYSICAL WELL

#97
20220374571
2022-11-24

HISTORY-MATCHING METHODOLOGY THAT MINIMIZES NON-UNIQUENESS PROBLEM AND ENSURE SMOOTH TRANSITION FROM HISTORY TO PREDICTION

#98
20220372847
2022-11-24

System and process for geological sequestration of carbon-containing materials

#99
20220349303
2022-11-03

FIELD PRODUCTION STRATEGY OPTIMIZATION USING MULTI-OBJECTIVE GENETIC ALGORITHM

#100
20220342111
2022-10-27

Processes and systems for correlating well logging data

#101
20220341319
2022-10-27

Wellbore tubular with local inner diameter variation

#102
20220325623
2022-10-13

ESTIMATIONS OF RESERVOIR PARAMETERS WITH A MULTIPLE-STORAGE PHENOMENON IN DRILL STEM TESTS FOR NO PRODUCTION AT SURFACE

#103
20220316323
2022-10-06

Prediction method for coal and gas outburst based on comparing borehole gas flow curves

#104
20220307372
2022-09-29

Water detection for geosteering in directional drilling

#105
20220298914
2022-09-22

Pressure measurement mitigation

#106
20220298913
2022-09-22

Pressure measurement mitigation

#107
20220298902
2022-09-22

Shale oil fracturing synchronous energizing simulation experimental device and method

#108
20220291417
2022-09-15

HYDROCARBON WELL PERFORMANCE DECLINE CURVE AND EVALUATION TOOL

#109
20220290560
2022-09-15

Determining reservoir fluid composition to pentatetracontanes plus

#110
20220282149
2022-09-08

METHODS AND COMPOSITIONS OF DISPERSIBLE FERROELECTRIC NANOPARTICLES, AND USES THEREOF

#111
20220275724
2022-09-01

Predicting clean fluid composition and properties with a rapid formation tester pumpout

#112
20220275707
2022-09-01

Volumetric treatment fluid distribution to remove formation damage

#113
20220268154
2022-08-25

Reservoir staging index (RSI)

#114
20220268152
2022-08-25

PETRO-PHYSICAL PROPERTY PREDICTION

#115
20220259972
2022-08-18

Systems and methods to determine the productivity index of individual laterals under commingled flow

#116
20220252759
2022-08-11

Method and apparatus for flow line parameter interpretation with diverse flow models

#117
20220252756
2022-08-11

Tight reservoir fluid characterization by using sonic slowness well logs

#118
20220252541
2022-08-11

In Situ Treatment of Chemical Sensors

#119
20220243588
2022-08-04

Reverse drill stem testing

#120
20220236444
2022-07-28

Gas saturation distribution monitoring in hydrocarbon reservoir

#121
20220221604
2022-07-14

Method of analysing seismic data

#122
20220205359
2022-06-30

Systems and methods for back-allocation of oil produced by waterflooding

#123
20220195870
2022-06-23

Method and system for the determination of hydrocarbon accumulations

#124
20220195864
2022-06-23

Optical monitoring and control of pumpjack

#125
20220195846
2022-06-23

Downhole gas well flowback with zero outflow

#126
20220188712
2022-06-16

Utilizing micro-services for optimization workflows of borehole operations

#127
20220178252
2022-06-09

METHOD AND SYSTEM FOR PREDICTING PRODUCTION OF FRACTURED HORIZONTAL WELL IN SHALE GAS RESERVOIR

#128
20220170366
2022-06-02

3D in-situ characterization method for heterogeneity in generating and reserving performances of shale

#129
20220128727
2022-04-28

Formation analysis incorporating identification of immovable and viscous hydrocarbons

#130
20220113439
2022-04-14

Method and system for processing a three-dimensional (3D) seismic dataset

#131
20220106877
2022-04-07

Well testing under full field production

#132
20220101430
2022-03-31

Blockchain-Based Carbon Credit Database

#133
20220090497
2022-03-24

Siphon pump chimney for formation tester

#134
20220074301
2022-03-10

Determining fluid distribution and hydraulic fracture orientation in a geological formation

#135
20220049591
2022-02-17

Method for evaluating and preventing creep damage to conductivity of hydraulic fracture in gas reservoirs

#136
20220042413
2022-02-10

Systems and methods for predicting the composition of petroleum hydrocarbons

#137
20220035971
2022-02-03

Methods and systems for predicting interfacial tension of reservoir fluids using downhole fluid measurements

#138
20220034204
2022-02-03

WELL PERFORATOR EVALUATION SYSTEM AND METHOD

#139
20220003892
2022-01-06

Method and apparatus for formation tester data interpretation with diverse flow models

#140
20210404302
2021-12-30

Wellbore gas lift optimization

#141
20210396134
2021-12-23

Hydrocarbon evaluation systems

#142
20210389488
2021-12-16

Placing wells in a hydrocarbon field based on seismic attributes and quality indicators

#143
20210388720
2021-12-16

Intelligent prediction method and apparatus for reservoir sensitivity

#144
20210355791
2021-11-18

System and process for geological sequestration of carbon-containing materials

#145
20210350208
2021-11-11

METHOD AND DEVICE FOR PREDICTING PRODUCTION PERFORMANCE OF OIL RESERVOIR

#146
20210341641
2021-11-04

SYSTEM, METHOD AND APPARATUS FOR EXPLORATION

#147
20210340428
2021-11-04

System and method for optimized production of hydrocarbons from shale oil reservoirs via cyclic injection

#148
20210332684
2021-10-28

Real-time diversion control for stimulation treatments using tortuosity and step-down analysis

#149
20210310480
2021-10-07

Plunger lift state estimation and optimization using acoustic data

#150
20210301659
2021-09-30

Automated well productivity estimation and continuous average well pressure monitoring through integration of real-time surface and downhole pressure and temperature measurements

#151
20210293143
2021-09-23

Interpretation of pumping pressure behavior and diagnostic for well perforation efficiency during pumping operations

#152
20210293122
2021-09-23

Geologic formation characterization via fluid separation

#153
20210277778
2021-09-09

METHOD FOR EVALUATING BRITTLENESS OF DEEP SHALE RESERVOIR AND COMPUTER READABLE STORAGE MEDIUM

#154
20210270109
2021-09-02

SYSTEM AND METHOD FOR PRODUCING AND PROCESSING A MULTIPHASE HYDROCARBON-CONTAINING FLUID FROM A HYDROCARBON-CONTAINING RESERVOIR

#155
20210246782
2021-08-12

Apparatus and method for performing formation stress testing in an openhole section of a borehole

#156
20210246365
2021-08-12

METHOD OF MONITORING A FLUID, USE OF A TRACER, AND TRACER COMPOSITION

#157
20210239001
2021-08-05

Yield estimation device and method for low-yield shale gas reservoir

#158
20210231832
2021-07-29

In-situ hydrocarbon detection and monitoring

#159
20210231830
2021-07-29

Detecting changes in an environmental condition along a wellbore

#160
20210231012
2021-07-29

Siphon pump chimney for formation tester

#161
20210231001
2021-07-29

Method and system for performing formation fluid test, involves performing second test with second set of tool parameters and comparing

#162
20210224669
2021-07-22

SYSTEM AND METHOD FOR PREDICTING HYDROCARBON WELL PRODUCTION

#163
20210222518
2021-07-22

Planning a well configuration using geomechanical parameters

#164
20210215033
2021-07-15

Method and system for performing pressure test by determining formation parameter from pressure test where stabilizer is activated into surface of wellbore which is placed on formation testing tool

#165
20210199107
2021-07-01

Systems and methods for centralized optimization of reservoir production

#166
20210198986
2021-07-01

Control of fluid production using resonant sensors

#167
20210189864
2021-06-24

System and methodology to identify milling events and performance using torque-thrust curves

#168
20210180449
2021-06-17

Method and apparatus for measuring characteristics of fluid in a reservoir

#169
20210172316
2021-06-10

METHOD OF MODELLING A SEDIMENTARY BASIN USING A HEX-DOMINANT MESH REPRESENTATION

#170
20210164908
2021-06-03

Bandgap detection of reactive components in fluids

#171
20210140315
2021-05-13

Radiochemical and chromatographic analysis system of tracers, in situ and in real time

#172
20210140301
2021-05-13

Electromagnetic imager design

#173
20210131281
2021-05-06

Estimation of a downhole fluid property distribution

#174
20210131271
2021-05-06

Portable in-situ gas pressure measuring device for shallow gas-bearing stratum and measuring method thereof

#175
20210124087
2021-04-29

Determination of hydrocarbon production rates for an unconventional hydrocarbon reservoir

#176
20210123343
2021-04-29

Integrated machine learning framework for optimizing unconventional resource development

#177
20210095563
2021-04-01

Managing corrosion and scale buildup in a wellbore

#178
20210095525
2021-04-01

Geo-steering using electromagnetic gap impedance data

#179
20210071521
2021-03-11

Dictionary generation for downhole signal compression

#180
20210017858
2021-01-21

LOCALLY LUMPED EQUATION OF STATE FLUID CHARACTERIZATION IN RESERVOIR SIMULATION

#181
20200378252
2020-12-03

Real-time monitor and control of active clay in water-based drilling fluids

#182
20200378250
2020-12-03

Predicting clean fluid composition and properties with a rapid formation tester pumpout

#183
20200378238
2020-12-03

Pressure measurement supercharging mitigation

#184
20200370431
2020-11-26

Additive manufacturing of a vugular loss zone simulating test device

#185
20200370425
2020-11-26

Digital 2D holographic spectrometer for material characterization

#186
20200362697
2020-11-19

Automated production optimization technique for smart well completions using real-time nodal analysis including comingled production calibration

#187
20200362645
2020-11-19

Production logging tool and downhole fluid analysis probes deploying method

#188
20200334398
2020-10-22

Petro-technical global fluid identity repository

#189
20200332635
2020-10-22

Simultaneous injection and fracturing interference testing

#190
20200332634
2020-10-22

Simultaneous injection and fracturing interference testing

#191
20200330901
2020-10-22

Multi-purpose gas separator unit and associated methods

#192
20200309978
2020-10-01

Direct hydrocarbon indicators analysis informed by machine learning processes

#193
20200309667
2020-10-01

Measuring size and shape of pore throat using digital porous plate experiments

#194
20200308961
2020-10-01

Direct hydrocarbon indicators analysis informed by machine learning processes

#195
20200273118
2020-08-27

Production Surveillance - Management System

#196
20200264331
2020-08-20

Methods for determining fluid volumes from NMR T1-T2 log data

#197
20200248549
2020-08-06

System and method for controlled pumping in a downhole sampling tool

#198
20200217195
2020-07-09

Apparatus and method for determining properties of an earth formation with probes of differing shapes

#199
20200211126
2020-07-02

PREDICTION METHOD FOR SHALE OIL AND GAS SWEET SPOT REGION, COMPUTER DEVICE AND COMPUTER READABLE STORAGE MEDIUM

#200
20200141233
2020-05-07

WELL TESTING SYSTEMS AND METHODS WITH MOBILE MONITORING

#201
20200132875
2020-04-30

Modeling textural parameters of a formation with downhole measurements

#202
20200124584
2020-04-23

In situ evaluation of gases and liquids in low permeability reservoirs

#203
20200116613
2020-04-16

Portable apparatus and methods for analyzing injection fluids

#204
20200115619
2020-04-16

Optimized salinity for enhanced water flood applications

#205
20200102824
2020-04-02

Determining geologic formation permeability

#206
20200041689
2020-02-06

Logging of fluid properties for use in subterranean drilling and completions

#207
20200038780
2020-02-06

Multi-purpose gas separator unit and associated methods

#208
20200018153
2020-01-16

SYSTEM AND METHOD FOR MODELING A TRANSIENT FLUID LEVEL OF A WELL

#209
20200011172
2020-01-09

Sensor nipple and port for downhole production tubing

#210
20190360286
2019-11-28

Application of electro-rheology in measurements of drilling fluid composition

#211
20190353633
2019-11-21

Fluid sensing system using planar resonators

#212
20190352694
2019-11-21

Identification of hot environments using biomarkers from cold-shock proteins of thermophilic and hyperthermophilic microorganisms

#213
20190345814
2019-11-14

SENSING SUB-ASSEMBLY AND METHOD OF OPERATING A HYDRAULIC FRACTURING SYSTEM

#214
20190293825
2019-09-26

Method and device for measuring fluid properties using an electromechanical resonator

#215
20190284933
2019-09-19

Multi-zone well testing

#216
20190265382
2019-08-29

Dielectric logging with broadband excitation

#217
20190227029
2019-07-25

In situ treatment of chemical sensors

#218
20190162067
2019-05-30

Resistivity measurement for evaluating a fluid

#219
20190136659
2019-05-09

Tester valve below a production packer

#220
20190100997
2019-04-04

Oil and gas zone effectiveness evaluation method and apparatus

#221
20190100996
2019-04-04

Method to detect incremental oil production arising from a low salinity waterflood

#222
20190064390
2019-02-28

SYSTEM AND METHOD FOR PRODUCING HYDROCARBONS FROM SUBSURFACE RESERVOIRS BASED ON KINETICS DESIGNED FOR IMPROVED API GRAVITY PREDICTION

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Systems and methods for mobile resource delivery and management

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Identifying hydrocarbon production zones

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20190032484
2019-01-31

Digital 2D holographic spectrometer for material characterization

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20190017378
2019-01-17

Natural Resource Reservoir Charging

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20190011422
2019-01-10

Target composite core apparatus for radial flow geometry

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20190010789
2019-01-10

METHOD TO DETERMINE A LOCATION FOR PLACING A WELL WITHIN A TARGET RESERVOIR

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20190004199
2019-01-03

Fabrication of unrecorded data by Gaussian slowness period packet extrapolation

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2018-12-27

Simultaneous injection and fracturing interference testing

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20180363460
2018-12-20

Apparatus and method for testing an oil and/or gas well with a multiple-stage completion

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20180347326
2018-12-06

Iterative method for estimating productivity index (PI) values in maximum reservoir contact (MRC) multilateral completions

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20180334905
2018-11-22

In-situ rheology behavior characterization using data analytics techniques

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2018-11-15

Systems and methods for estimating and controlling a production of fluid from a reservoir

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2018-11-08

Acoustic flow meter tool and related methods

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2018-11-08

Classification and regression tree analysis of formation realizations

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2018-10-11

Estimation of fracture properties based on borehole fluid data and acoustic imaging

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2018-10-04

METHODS FOR MANAGING FORMATION VOIDAGE REPLACEMENT IN WATERFLOOD PRODUCTION OPERATIONS TO INCREASE OIL RECOVERY

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Method for permanent measurement of wellbore formation pressure from an in-situ cemented location

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2018-08-09

Method and apparatus for measuring characteristics of fluid in a reservoir

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2018-08-09

Detection and quantification of proppant for optimized fracture treatment design in in-fill and new wells

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20180195384
2018-07-12

Coal seam gas production determination

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20180156939
2018-06-07

Method for prediction of live oil interfacial tension at reservoir conditions from dead oil measurements

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20180156034
2018-06-07

Systems and methods for real-time measurement of gas content in drilling fluids

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20180154408
2018-06-07

Dynamic two-way guide and drainage control method for leachate and landfill gas

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20180143052
2018-05-24

Multiphase flow meters and related methods

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20180112516
2018-04-26

Well testing with jet pump

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20180100948
2018-04-12

Method to automate pressure transient analysis (PTA) of continuously measured pressure data

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20180066518
2018-03-08

Method for contamination monitoring

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20180058213
2018-03-01

Fluid compensation system for downhole sampling bottle

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20180058202
2018-03-01

Reservoir formation characterization using a downhole wireless network

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20180038195
2018-02-08

Deployment valves operable under pressure

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20180023389
2018-01-25

Formation pressure determination

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20180016897
2018-01-18

System and method for determining bottomhole conditions during flowback operations of a shale reservoir

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20180010429
2018-01-11

CONTROL SYSTEM AND METHOD OF FLOWBACK OPERATIONS FOR SHALE RESERVOIRS

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20170370214
2017-12-28

Prediction of fluid composition and/or phase behavior

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2017-11-09

Determining wellbore leak crossflow rate between formations in an injection well

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2017-10-05

Systems and methods for pump control based on non-linear model predictive controls

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2017-09-07

Fluid composition and reservoir analysis using gas chromatography

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2017-08-31

Electrode-based tool measurement corrections based on measured leakage currents

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2017-08-31

Formation resistivity measurement apparatus, systems, and methods

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2017-08-24

Multi-purpose gas separator unit

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2017-08-10

Thermal maturity determination of rock formations using mud gas isotope logging

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2017-08-03

Systems and methods for testing petroleum wells

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2017-08-03

Locally lumped equation of state fluid characterization in reservoir simulation

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20170183962
2017-06-29

Identifying formation layer boundaries on well log measurements

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20170183955
2017-06-29

Gas lift analysis and troubleshooting

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2017-06-22

Formation tester tool assembly and method

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2017-06-15

Determining Water Salinity and Water-Filled Porosity of a Formation

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2017-05-04

Actuation control system using pilot control circuit

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2017-04-27

Chemiresistive sensors, downhole tools including such sensors, and related methods

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2017-03-30

Downhole tool for determining electrical resistance of a fluid in a wellbore

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20170058668
2017-03-02

Method for estimating stress magnitude

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20170038491
2017-02-09

Method and device for measuring fluid properties using an electromechanical resonator

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2017-01-26

Micromechanical elastic properties solver

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2016-12-29

Multiphase thermal flowmeter for stratified flow

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2016-12-29

Methods for evaluating inflow and outflow in a subterraean wellbore

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2016-11-10

Method of estimating multi-phase fluid properties in a wellbore utilizing acoustic resonance

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2016-10-20

Average/initial reservoir pressure and wellbore efficiency analysis from rates and downhole pressures

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2016-10-06

Systems and methods for real-time measurement of gas content in drilling fluids

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2016-09-22

Testing system for petroleum wells having a fluidic system including a gas leg, a liquid leg, and bypass conduits in communication with multiple multiphase flow metering systems with valves to control fluid flow through the fluidic system

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20160265341
2016-09-15

Well testing and monitoring

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2016-09-08

In-situ monitoring of recombination progress using ICE

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2016-09-08

Flow electrification sensor

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2016-08-11

Estimation of fluid properties from well logs

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2016-08-11

Formation evaluation using stochastic analysis of log data

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2016-07-14

Method and apparatus for permanent measurement of wellbore formation pressure from an in-situ cemented location

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2016-06-23

Fluid composition and reservoir analysis using gas chromatography

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20160178435
2016-06-23

Method for diagnosing optical spectrometers of downhole tools

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20160177715
2016-06-23

Blended mapping for estimating fluid composition from optical spectra

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20160169726
2016-06-16

Method of compensating for changes in water properties in a multiphase flow meter

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20160168990
2016-06-16

Determining the plus fraction of a gas chromatogram

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2016-05-26

Method for reservoir evaluation employing non-equilibrium asphaltene component

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20160139296
2016-05-19

Integrated computational elements with laterally-distributed spectral filters

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20160130927
2016-05-12

Methods, apparatus and products for production of fluids from subterranean formations

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20160123139
2016-05-05

Methods and systems for using a well evaluation pill to characterize subterranean formations and fluids

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20160115784
2016-04-28

Downhole detection

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2016-04-21

Three-phase flow identification and rate detection

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20160102548
2016-04-14

Closed chamber impulse test with downhole flow rate measurement

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2016-04-07

Smart frac plug system and method